Paul McCartney's split from Heather Mills has made for one of the most high-profile, high-stakes divorce battles in history. USA TODAY takes a look at where it all began with just a blonde, a Beatle and his billions:

Heather Mills McCartney visited a police station near her home in Hove on Wednesday to discuss unspecified issues, Sussex Police said. A spokesman for the 38-year-old former model said Mills McCartney had received death threats since her split last year from ex-Beatle Paul McCartney, 64.

Paul McCartney has filed for divorce from Heather Mills McCartney, formally beginning proceedings in what could be one of Britain's most expensive breakups, newspapers reported Saturday. The 64-year-old former Beatle blamed his estranged wife for the split, saying her behavior was unreasonable and argumentative, The Sun and The Daily Mirror reported. Her spokesman, Phil Hall, said she was unhappy about the reports.